47750291 has 2 divisors, whose sum is σ = 47750292. Its totient is φ = 47750290.

The previous prime is 47750243. The next prime is 47750299. The reversal of 47750291 is 19205774.

47750291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47750291 - 2¹⁰ = 47749267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (47750299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23875145 + 23875146.

It is an arithmetic number, because the mean of its divisors is an integer number (23875146).

Almost surely, 2^47750291 is an apocalyptic number.

47750291 is a deficient number, since it is larger than the sum of its proper divisors (1).

47750291 is an equidigital number, since it uses as much as digits as its factorization.

47750291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 47750291 is about 6910.1585365316. The cubic root of 47750291 is about 362.7928123248.

The spelling of 47750291 in words is "forty-seven million, seven hundred fifty thousand, two hundred ninety-one".